Update Nebula go v2.6.0 (vesoft-inc#45)

* Update Nebula go v2.6.0

* Update Nebula importer

go.mod

@@ -11,8 +11,8 @@ require (
 	github.com/prometheus/client_golang v1.9.0 // indirect
 	github.com/satori/go.uuid v1.2.0
 	github.com/shiena/ansicolor v0.0.0-20200904210342-c7312218db18 // indirect
-	github.com/vesoft-inc/nebula-go/v2 v2.5.1
-	github.com/vesoft-inc/nebula-importer v0.0.0-20210716031041-8882282482b2
+	github.com/vesoft-inc/nebula-go/v2 v2.6.0
+	github.com/vesoft-inc/nebula-importer v1.0.1-0.20211026100810-43234f36fe2d
 	golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad // indirect
 	golang.org/x/net v0.0.0-20201224014010-6772e930b67b // indirect
 	golang.org/x/sys v0.0.0-20210105210732-16f7687f5001 // indirect

go.sum

@@ -310,7 +310,6 @@ github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/syndtr/goleveldb v0.0.0-20160425020131-cfa635847112/go.mod h1:Z4AUp2Km+PwemOoO/VB5AOx9XSsIItzFjoJlOSiYmn0=
@@ -319,11 +318,10 @@ github.com/tmc/grpc-websocket-proxy v0.0.0-20170815181823-89b8d40f7ca8/go.mod h1
 github.com/ugorji/go v0.0.0-20171122102828-84cb69a8af83/go.mod h1:hnLbHMwcvSihnDhEfx2/BzKp2xb0Y+ErdfYcrs9tkJQ=
 github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
 github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
-github.com/vesoft-inc/nebula-go/v2 v2.0.0-20210701060243-a0577f67f375/go.mod h1:B7nR6+nOSo0umq/HkCmUfyRtYrJVOsNiPS9u4djDbSc=
-github.com/vesoft-inc/nebula-go/v2 v2.5.1 h1:y4gBQzRqb3W4jeBbbAdtCPxVZ4tXKv9TJLHjNuWGhI0=
-github.com/vesoft-inc/nebula-go/v2 v2.5.1/go.mod h1:fehDUs97/mpmxXi9WezhznX0Dg7hmQRUoOWgDZv9zG0=
-github.com/vesoft-inc/nebula-importer v0.0.0-20210716031041-8882282482b2 h1:TJnK8RiJeFxzgo37iAC4roGeotieejr/EEryiaSSSo8=
-github.com/vesoft-inc/nebula-importer v0.0.0-20210716031041-8882282482b2/go.mod h1:kHxOwdaHWgpypNvGK/biKn4+mVWT28o51sGmZ1YdOjA=
+github.com/vesoft-inc/nebula-go/v2 v2.6.0 h1:yS5JH8eNjXtHSZXDRcNihdYaW9FyjOsrpG5iIMkIFBs=
+github.com/vesoft-inc/nebula-go/v2 v2.6.0/go.mod h1:fehDUs97/mpmxXi9WezhznX0Dg7hmQRUoOWgDZv9zG0=
+github.com/vesoft-inc/nebula-importer v1.0.1-0.20211026100810-43234f36fe2d h1:zEa2rNaNZVMfndHgke2ydNSEh7d1PiqvQ61bsBuAzqI=
+github.com/vesoft-inc/nebula-importer v1.0.1-0.20211026100810-43234f36fe2d/go.mod h1:4AUCTSpekwqsX9WdB/Oij1Y3V9uvQ2Moai/FYT8OTgI=
 github.com/wendal/errors v0.0.0-20130201093226-f66c77a7882b/go.mod h1:Q12BUT7DqIlHRmgv3RskH+UCM/4eqVMgI0EMmlSpAXc=
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
 github.com/yuin/gopher-lua v0.0.0-20171031051903-609c9cd26973/go.mod h1:aEV29XrmTYFr3CiRxZeGHpkvbwq+prZduBqMaascyCU=